Weather & Climate in Dunsmuir, CA

Temperature, precipitation, air quality, natural hazards, and monthly weather data.

Dunsmuir experiences four distinct seasons with an average annual temperature of 54°F (12°C). Winters average 39°F in January while summers reach 72°F in July. The area gets 269 sunny days per year, well above the U.S. average of 205 / making it one of the sunnier locations in the country. Annual precipitation totals 63.3 inches (wetter than the 38-inch national average). The area receives 26.7 inches of snow annually, a moderate snowfall amount. Air quality is rated Good with a median AQI of 48. The city sits at an elevation of 2,710 feet.

Temperature

39°F Jan (4°C) 72°F Jul (22°C)

Annual Average	53.9°F
	0% below US avg
January Average	39°F (4°C)
July Average	72°F (22°C)
Sunny Days	269 days/yr

Geography

Elevation	2,710 ft (826 m)
Area	1.6 sq mi (4.2 km²)
Population Density	949/sq mi
Coordinates	41.2315°N, 122.2709°W
Timezone	America/Los_Angeles
County	Siskiyou County County
Nearest Airport	Redding Regional (RDD) 51 miles away

Precipitation & Snow

Annual Rainfall 63.3"

67% above US avg

Snowfall 26.7"

Wettest Month (Jan) 6.85"

Driest Month (Jul) 0.35"

Air Quality

AQI Median	48.0
Rating	Good

Natural Hazard Risk

Overall Risk	Relatively Moderate
Risk Score	89.0 / 100
Social Vulnerability	79.4 / 100
Community Resilience	44.8 / 100

Hazard Breakdown

Tornado	Very Low
Earthquake	Relatively Low
Wildfire	Relatively High
Flood	Relatively Moderate
Hail	Very Low
Strong Wind	Very Low
Heat Wave	Relatively Low
Winter Weather	Relatively Moderate
Lightning	Relatively Low
Drought	Relatively High
Cold Wave	Very Low
Landslide	Relatively Moderate
Volcano	Relatively High
Avalanche	Relatively Moderate

Source: FEMA National Risk Index v1.20 (Dec 2025)

Earthquake History

1,222 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M6.0.

Sep 21, 1993	27 km WNW of Klamath Falls, Oregon	M6.0	126 km	9 km
Sep 21, 1993	22 km WNW of Klamath Falls, Oregon	M5.9	122 km	9 km
Feb 13, 2012	26 km NNW of Willow Creek, California	M5.6	128 km	27 km
Apr 30, 2008	3 km NNW of Burnt Ranch, California	M5.4	112 km	28 km
Nov 26, 1998	7km NW of Redding, CA	M5.1	68 km	25 km
Dec 4, 1993	20 km WNW of Klamath Falls, Oregon	M5.1	120 km	5 km
Sep 8, 2023	12 km NE of Burney, CA	M5.0	67 km	16 km
Jan 18, 1990	27 km ESE of Orick, California	M4.9	125 km	35 km
Jul 21, 2016	19km SSE of Blue Lake, CA	M4.8	147 km	26 km
Jan 19, 2008	31 km NW of Rancho Tehama Reserve, California	M4.7	123 km	2 km
Nov 26, 1998	5km NNW of Redding, CA	M4.6	69 km	25 km
Jan 19, 2008	34 km WNW of Rancho Tehama Reserve, California	M4.5	125 km	10 km
Jul 21, 1998	4 km NNW of Redding, California	M4.5	68 km	23 km
Aug 28, 2016	8 km ESE of Mad River, California	M4.5	130 km	36 km
Mar 9, 1992	8 km SE of Hyampom, California	M4.4	118 km	33 km
May 10, 2005	10 km NW of Burney, California	M4.4	54 km	17 km
Mar 27, 1997	14km SW of Manton, CA	M4.4	103 km	8 km
Jun 14, 1991	8 km SW of Hat Creek, California	M4.4	75 km	11 km
Dec 20, 2000	12 km NNW of Burney, California	M4.4	55 km	17 km
Feb 6, 2019	13km ESE of Blue Lake, CA	M4.4	138 km	26 km

Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.

Nearby Volcanoes

4 volcanoes within 200 km. Closest: Shasta (21 km).

Name	Type	Elevation	Last Eruption	Distance
Shasta	Stratovolcano	4,317 m (14,163 ft)	1250	21 km
Medicine Lake	Shield	2,412 m (7,913 ft)	1060	73 km
Lassen Volcanic Center	Stratovolcano	3,187 m (10,456 ft)	1917	104 km
Crater Lake	Caldera	2,487 m (8,159 ft)	-2850	189 km

Source: Smithsonian Institution Global Volcanism Program (GVP).

Wildfire History

20 wildfires (100+ acres) recorded within 100 km. Largest: CARR (233,710 acres, 2018).

Year	Name	Acres Burned	Distance
2018	CARR	233,710	64 km
2021	HAYPRESS	204,549	61 km
2020	RED SALMON COMPLEX	147,535	96 km
2021	ANTELOPE	141,960	62 km
1999	MEGRAM- ORLEANS	125,337	100 km
2014	HAPPY CAMP COMPLEX	118,491	94 km
2006	PIGEON	100,962	84 km
2021	MCCASH	95,762	96 km
2020	CALDWELL	81,870	88 km
2015	RIVER COMPLEX	78,531	98 km
2008	PANTHER	71,448	99 km
2018	DELTA	63,732	30 km
2017	ISLAND	62,931	75 km
1992	FOUNTAIN	62,340	55 km
2022	MCKINNEY	60,592	80 km
2020	ZOGG	56,941	95 km
1987	YELLOW 2	53,626	90 km
2012	BAGLEY	47,731	29 km
2018	HIRZ	46,700	28 km
2008	BEAR WALLOW COMPLEX (UKONOM)	40,029	88 km

Source: NIFC/IRWIN Wildfire Records (100+ acres).

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	39°F (4°C)	6.9 in	Wettest
February	37°F (3°C)	5.8 in
March	40°F (4°C)	5.6 in
April	44°F (7°C)	2.8 in
May	52°F (11°C)	1.9 in
June	59°F (15°C)	1.0 in
July	72°F (22°C)	0.4 in	Warmest, Driest
August	65°F (18°C)	0.6 in
September	59°F (15°C)	1.0 in
October	51°F (11°C)	2.5 in
November	40°F (4°C)	5.7 in
December	34°F (1°C)	5.9 in	Coldest

Dunsmuir has a seasonal temperature swing of 38°F / from 34°F in December to 72°F in July. Total annual precipitation is 39.9 inches, with January being the wettest month (6.9") and July the driest (0.4").

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